Why the A.I. Boom Is Unlike the Dot-Com Boom NYT: Technology By:David Streitfeld 9 December 2025 at 11:31 Silicon Valley is again betting everything on a new technology. But the mania is not a reboot of the late-1990s frenzy. Β© Joe Buglewicz/BloombergBen Horowitz, a major A.I. venture capitalist, in 2019. βThe clearest sign that we are not actually in a bubble is the fact that everyone is talking about a bubble,β he said.